The most commonly used method for measurement of gas is the orificemeter.
孔板流量计是测量气体流量最常用的方法。
2
The on the spot inspection of natural gas orificemeter is adopting the transitivity calibration method taking Venturi nozzle as calibration scale.
天然气孔板流量计的现场检定,采用以文丘里音速喷嘴作为标准表的传递型校准法。
3
Experimental results indicated that maximum error of slotted orifice is less than 5%. The conclusion is available to the development of slotted orificemeter.